Chapter 1 Troubleshooting
1-83
FIP-P2 Blank Prints
Condition / initial check
∆The entire image area is blank.
▼ Initial check ▼
Incorrect parts, improper installation, damage, deformation, dirt, foreign su bstance attached, etc.
∇ Major parts to be checked ∇
Imaging Unit (PHD), Transfer Unit (BTR), ROS ASSY, PWBA HNB MCU
Item Check Remedy
1
Intercepted laser beam path
Check if foreign substance or dirt is present in the laser
beam path between ROS ASSY and Drum in PHD
ASSY
Remove foreign substance or dirt
2Faulty ROS ASSY
Is the image quality improved if ROS ASSY is replaced? Replace the ROS ASSY
3Faulty charging or developing
Is the image quality improved if PHD ASSY is replaced? Replace the PHD ASSY
4Faulty transfer
Is the image quality improved if BTR ASSY is replaced? Replace the BTR ASSY
5
Faulty PWBA HNB MCU
Is the image quality improved if PWBA HNB MCU is
replaced?
Replace the PWBA HNB MCU